183d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 2bb416465SFelipe Balbi /* 3bb416465SFelipe Balbi * Copyright (c) 2017 Intel Corporation 4bb416465SFelipe Balbi */ 5bb416465SFelipe Balbi #ifndef _X86_ASM_SCU_IPC_H_ 6bb416465SFelipe Balbi #define _X86_ASM_SCU_IPC_H_ 7bb416465SFelipe Balbi 8bb416465SFelipe Balbi /* IPC defines the following message types */ 9*224742a3SGeorgii Staroselskii #define IPCMSG_INDIRECT_READ 0x02 10*224742a3SGeorgii Staroselskii #define IPCMSG_INDIRECT_WRITE 0x05 11bb416465SFelipe Balbi #define IPCMSG_WARM_RESET 0xf0 12bb416465SFelipe Balbi #define IPCMSG_COLD_RESET 0xf1 13bb416465SFelipe Balbi #define IPCMSG_SOFT_RESET 0xf2 14bb416465SFelipe Balbi #define IPCMSG_COLD_BOOT 0xf3 15bb416465SFelipe Balbi #define IPCMSG_GET_FW_REVISION 0xf4 16bb416465SFelipe Balbi #define IPCMSG_WATCHDOG_TIMER 0xf8 /* Set Kernel Watchdog Threshold */ 17bb416465SFelipe Balbi 18bb416465SFelipe Balbi struct ipc_ifwi_version { 19bb416465SFelipe Balbi u16 minor; 20bb416465SFelipe Balbi u8 major; 21bb416465SFelipe Balbi u8 hardware_id; 22bb416465SFelipe Balbi u32 reserved[3]; 23bb416465SFelipe Balbi }; 24bb416465SFelipe Balbi 25bb416465SFelipe Balbi /* Issue commands to the SCU with or without data */ 26bb416465SFelipe Balbi int scu_ipc_simple_command(u32 cmd, u32 sub); 27bb416465SFelipe Balbi int scu_ipc_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, int outlen); 28*224742a3SGeorgii Staroselskii int scu_ipc_raw_command(u32 cmd, u32 sub, u32 *in, int inlen, u32 *out, 29*224742a3SGeorgii Staroselskii int outlen, u32 dptr, u32 sptr); 30bb416465SFelipe Balbi 31bb416465SFelipe Balbi #endif /* _X86_ASM_SCU_IPC_H_ */ 32